T/DIPA 9-2022 直流输电线路杆塔接地引下线选用技术规范
T/DIPA 9-2022 The technical specifications for selecting the grounding cables of the transmission line towers in DC transmission lines
基本信息
发布历史
-
2022年11月
研制信息
- 起草单位：
- 中国南方电网有限责任公司超高压输电公司贵阳局、河南四达电力设备股份有限 公司、西安交通大学、国网陕西省电力公司电力科学研究院、中国电力工程顾问集团中南电力设计院有 限公司、中国南方电网有限责任公司超高压输电公司、成都诺嘉伟业科技有限公司、中国南方电网有限 责任公司超高压输电公司广州局、中国南方电网有限责任公司超高压输电公司柳州局、中国南方电网有 限责任公司超高压输电公司曲靖局
- 起草人：
- 刁望圆、胡松江、从鹏松、郭洁、丁卫东、王森、李志忠、务孔永、庄新伟、 柏晓路、冯鸫、陈极升、吕刚、刘帆、孙志林、陈如龙、崔健、孟祥龙、何华林、朱阳、陈名、韦扬志、肖方、石照亮、胡敬波、潘长安、张瑚、吕健双、宋伟
- 出版信息：
- 页数：18页 | 字数：- | 开本： -
内容描述
ICS29.050
CCSF21
SocialOrganizationStandard
T/DIPA9-2022
1
2
Technicalspecificationforselectmodelsand
useofgrounding-downconductorsforDC
powertransmissionlinetowers
直流输电线路杆塔接地引下线选用
技术规范
Issuedate:2022-11-23Implementationdate:2023-01-01
Nationaltechnicalstandardinnovationbase
(DCtransmissionandpowerelectronicstechnology)preparation
Issuedby
ZhuhaiDCtransmissionandPowerElectronicsIndustryPromotion
Association
Contents
Foreword..................................................................................................................................................II
1Scope....................................................................................................................................................1
2Normativereferences...........................................................................................................................1
3Termsanddefinitions...........................................................................................................................1
4Classificationandmarking...................................................................................................................2
4.1Classification.....................................................................................................................................2
4.2Marking..............................................................................................................................................2
5Designmaterialselection.....................................................................................................................4
5.1Materialrequirements.......................................................................................................................4
5.2Materialselection..............................................................................................................................4
6Designmodelselection........................................................................................................................5
6.1Generalrequirements.......................................................................................................................5
6.2Selectionrequirements.....................................................................................................................5
7Construction.........................................................................................................................................7
7.1Entryinspection.................................................................................................................................7
7.2Constructionrequirements................................................................................................................8
7.3Connectionrequirements..................................................................................................................8
7.4Backfillrequirements.........................................................................................................................9
8Acceptance...........................................................................................................................................9
9Operationandmaintenance...............................................................................................................10
9.1Datamanagement...........................................................................................................................10
9.2Inspection........................................................................................................................................10
9.3Test..................................................................................................................................................10
9.4Maintenance....................................................................................................................................11
ANNEXA(Normative)Measurementofthetransitionresistanceatthegraphite-basedflexible
grounding-downconductorconnection.................................................................................................12
References............................................................................................................................................13
I
T/DIPA9-2022
Foreword
ThisdocumentisdraftedinaccordancewiththeprovisionsgivenintheGB/T1.1-2020Directivesfor
standardization--Part1:Rulesforthestructureanddraftingofstandardizingdocuments.
Attentionisdrawntothepossibilitythatsomeoftheelementsofthisstandardmaybethesubjectof
patentrights.Theissungbodyofthisdocumentshallnobeheldresponsibleforidentifyinganyorallsuch
patentrights.
ThisdocumentwaspreparedbytheNationalStandardInnovationBase(DCpowertransmissionand
powerelectronics),proposedandcentralizedbytheStandardizationManagementCenterofZhuhaiDCPower
TransmissionandPowerElectronicsIndustryPromotionAssociation.
Thedraftingunitsofthisdocument:GuiyangBureauofChinaSouthernPowerGridCompanyLimited,
HenanSIDAElectricPOWEREquipmentCo.,Ltd.,Xi'anJiaotongUniversity,StateGridShaanxiElectric
PowerCompanyElectricPowerResearchInstitute,CentralSouthernChinaElectricPOWERDesignInstitute
Co.,Ltd.ofCPECC,ChinaSouthernPowerGridCompanyLimited,ChengduNuojiaWeiyeTechnologyCo.,
Ltd.,GuangzhouBureauofChinaSouthernPowerGridCompanyLimited,LiuzhouBureauofChinaSouthern
PowerGridCompanyLimited,andQujingBureauofChinaSouthernPowerGridCompanyLimited.
Themaindraftersofthisdocument:DiaoWangyuan,HuSongjiang,CongPengsong,GuoJie,Ding
Weidong,WangSen,LiZhizhong,WuKongyong,ZhuangXinwei,BaiXiaolu,FengDong,ChenJisheng,Lv
Gang,LiuFan,SunZhilin,ChenRulong,CuiJian,MengXianglong,HeHualin,ZhuYang,ChenMing,Wei
Yangzhi,XiaoFang,ShiZhaoliang,HuJingbo,PanChang’an,ZhangHu,LvJianshuang,SongWei.
ThecommentsorsuggestionsintheimplementationofthisdocumentcanbefedbacktotheZhuhaiDC
PowerTransmissionandPowerElectronicsIndustryPromotionAssociation(Address:No.46,LeyuanRoad,
XiangzhouDistrict,ZhuhaiCity,GuangdongProvince,519000.)
II
T/DIPA9-2022
Technicalspecificationforselectmodelsanduseof
grounding-downconductorsforDCpowertransmissionline
towers
1Scope
Thisdocumentspecifiesthetermsanddefinitions,classificationandmarking,designmaterialselection,
designmodelselection,construction,acceptance,operationandmaintenanceofthegrounding-down
conductorsforDCpowertransmissionlinetowers(hereinafterreferredtoasthe“grounding-down
conductor”).
Thisdocumentappliestotheselectionofgrounding-downconductorsforDCpowertransmissionline
towers,andothergrounding-downconductorscanbereferredtoforexecution.
2Normativereferences
Thecontentsofthefollowingreferenceddocumentsareindispensablefortheapplicationofthis
document.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthe
referenceddocument(includinganyamendments)applies.
GB/T3048.4ElectricalperformancetestmethodsforwiresandcablesPart4:ConductorDCresistance
test
GB/T20878Stainlessandheat-resistingsteels--Designationandchemicalcomposition
GB/T50065—2011CodefordesignofACelectricalinstallationsearthing..............................................
DL/T248—2012AnticorrosiveGroundingDeviceofCompositeMaterialofStainlessSteelfor
TransmissionLineTowers
DL/T475—2017Guideformeasurementofgroundingconnectionparameters
DL/T1312—2013Specificationsforcopper-cladsteelinpowerengineeringgrounding
DL/T1342—2014Specificationsforelectricalgroundingengineeringmaterialsandconnection
DL/T1457—2015Technicalspecificationforzinc-cladsteelinpowerengineeringgrounding
DL/T1554Guideforevaluationofsoilcorrosivityongroundinggrid
DL/T2095Specificationsofgraphite-basedflexiblegroundingconductorforoverheadtransmission
lines
3Termsanddefinitions
Thefollowingtermsanddefinitionsapplytothisdocument.
3.1
Grounding-downconductors
Theconductorpartforconnectingthegroundingterminalsoftheelectricaldeviceandthelinetowerto
thegroundingbody(pole).
Note:thegrounding-downconductorforDCpowertransmissionlinetowersiscalledthe
grounding-downconductorsforDCpowertransmissionlinetowers.
[Source:DL/T248—2012,3.2,subjecttochange]
1
T/DIPA9-2022
3.2
Zinc-cladsteel
Thecoatingsteelwithzinclayerofcertainthicknessbycontinuouscastingordrawingprocess.
[Source:DL/T1457—2015,3.1,subjecttochange]
3.3
Hotdipgalvanizedsteel
Thepreviouslytreatedsteelisimmersedinamoltenzincbathtoformcladsteelwithzincand/or
zinc-ferroalloycoatingsonitssurface.
3.4
Copper-cladsteel
Thematerialinwhichthesurfaceofasteelcoreisuniformlycoatedwithcopper,includingcopper-clad
steelrods,copper-cladsheets,andcopper-cladwires(includingroundandstrandedwires).
[Source:DL/T1312—2013,3.1]
3.5
Compositematerialofstainlesssteel
Thecompositemetalmaterialformedbycoatinghigh-qualitycarbonsteelwithspecialstainlesssteel.
[Source:DL/T248—2012,3.2]
3.6
Graphite-basedflexiblegrounding-downconductors
Thegrounding-downconductorwiththegraphite-basedflexiblegroundingbodyastheconnecting
conductor.
Note:theconductorwithmetalbraidsheathiscalledarmoredflexiblegraphite-basedgrounding-downconductor.
4Classificationandmarking
4.1Classification
Accordingtomaterials,thegrounding-downconductorscanbedividedintometal(hotdipgalvanized
steel,zinc-cladsteel,copper-cladsteel,compositematerialofstainlesssteelstainlesssteel,etc.)
rounding-downconductorsandnon-metallic(graphite-basedflexiblematerials,etc.)rounding-down
conductors.
Accordingtocross-sectionalshapes,themetalrounding-downconductorscanbedividedroundsteel
rounding-downconductorsandflatsteelrounding-downconductors.
Accordingtocross-sectionalshapes,thegraphite-basedflexiblerounding-downconductorscanbe
dividedintoroundrounding-downconductorsandflatrounding-downconductors.
4.2Marking
4.2.1Materialcode
Thecommonlyusedmaterialcodesoftherounding-downconductorsseeTable1.
Table1Commonlyusedmaterialcodesoftherounding-downconductors
CategoryNameCode
Copper-cladsteel
定制服务
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